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Re: Using "noatime" mount-flag to improve performance ?

From: Craig I. Hagan <hagan_at_cih.com>
Date: Tue, 19 Aug 2003 23:04:25 -0800
Message-ID: <F001.005CBA2F.20030819230425@fatcity.com>


uness you've external reasons for caring about access time updates to your datafiles, I'd recommend turning it off so that you don't have the extra writes going to disk.

>
>
> I've recently come across references to setting
> the "noatime" attribute to improve performance
> of a Database server because Unix does not then
> need to update the "last-access time" for each file.
>
> e.g. the Oracle for Linux tuning paper at
> http://otn.oracle.com/oramag/webcolumns/2002/techarticles/scalzo_linux01.html
> also mentions this.
>
> Has anyone used this on Unix [Solaris/AIX/HPUX/Tru64]
> servers ?
>
> Hemant K Chitale
> http://hkchital.tripod.com
>

-- 



	  .-    ... . -.-. .-. . -    -- . ... ... .- --. .

			    Craig I. Hagan
			   hagan(at)cih.com

	"Capitalism is the uneven distribution of wealth, and
	     socialism the even distribution of poverty."

	 				Winston S. Churchill

-- 
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Author: Craig I. Hagan
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Received on Wed Aug 20 2003 - 02:04:25 CDT

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